Examples with LwM2mObjectInstance org.eclipse.leshan.core.node.LwM2mObjectInstance used on opensource projects

Example 1 with LwM2mObjectInstance

use of org.eclipse.leshan.core.node.LwM2mObjectInstance in project leshan by eclipse.

the class ObjectEnabler method doObserve.

@Override
protected ObserveResponse doObserve(final ServerIdentity identity, final ObserveRequest request) {
    final LwM2mPath path = request.getPath();
    // Manage Object case
    if (path.isObject()) {
        List<LwM2mObjectInstance> lwM2mObjectInstances = new ArrayList<>();
        for (Entry<Integer, LwM2mInstanceEnabler> entry : instances.entrySet()) {
            lwM2mObjectInstances.add(getLwM2mObjectInstance(entry.getKey(), entry.getValue(), identity, true));
        }
        return ObserveResponse.success(new LwM2mObject(getId(), lwM2mObjectInstances));
    }
    // Manage Instance case
    final LwM2mInstanceEnabler instance = instances.get(path.getObjectInstanceId());
    if (instance == null)
        return ObserveResponse.notFound();
    if (path.getResourceId() == null) {
        return ObserveResponse.success(getLwM2mObjectInstance(path.getObjectInstanceId(), instance, identity, true));
    }
    // Manage Resource case
    return instance.observe(path.getResourceId());
}

Example 2 with LwM2mObjectInstance

use of org.eclipse.leshan.core.node.LwM2mObjectInstance in project leshan by eclipse.

the class ObjectEnabler method doWrite.

@Override
protected WriteResponse doWrite(ServerIdentity identity, WriteRequest request) {
    LwM2mPath path = request.getPath();
    // Manage Instance case
    LwM2mInstanceEnabler instance = instances.get(path.getObjectInstanceId());
    if (instance == null)
        return WriteResponse.notFound();
    if (path.isObjectInstance()) {
        // instance write
        Map<Integer, LwM2mResource> writeResources = ((LwM2mObjectInstance) request.getNode()).getResources();
        if (request.isReplaceRequest()) {
            // REPLACE
            // make them modifiable
            writeResources = new HashMap<>(writeResources);
            for (ResourceModel resourceModel : getObjectModel().resources.values()) {
                if (!identity.isLwm2mServer() || resourceModel.operations.isWritable()) {
                    LwM2mResource writeResource = writeResources.remove(resourceModel.id);
                    if (null != writeResource) {
                        instance.write(resourceModel.id, writeResource);
                    } else {
                        instance.reset(resourceModel.id);
                    }
                }
            }
        }
        // UPDATE and resources currently not in the model
        for (LwM2mResource resource : writeResources.values()) {
            instance.write(resource.getId(), resource);
        }
        return WriteResponse.success();
    }
    // Manage Resource case
    return instance.write(path.getResourceId(), (LwM2mResource) request.getNode());
}

Example 3 with LwM2mObjectInstance

use of org.eclipse.leshan.core.node.LwM2mObjectInstance in project leshan by eclipse.

the class ServersInfoExtractor method getInfo.

public static ServersInfo getInfo(Map<Integer, LwM2mObjectEnabler> objectEnablers) {
    LwM2mObjectEnabler securityEnabler = objectEnablers.get(SECURITY);
    LwM2mObjectEnabler serverEnabler = objectEnablers.get(SERVER);
    if (securityEnabler == null || serverEnabler == null)
        return null;
    ServersInfo infos = new ServersInfo();
    LwM2mObject securities = (LwM2mObject) securityEnabler.read(SYSTEM, new ReadRequest(SECURITY)).getContent();
    LwM2mObject servers = (LwM2mObject) serverEnabler.read(SYSTEM, new ReadRequest(SERVER)).getContent();
    for (LwM2mObjectInstance security : securities.getInstances().values()) {
        try {
            if ((boolean) security.getResource(SEC_BOOTSTRAP).getValue()) {
                if (infos.bootstrap != null) {
                    LOG.warn("There is more than one bootstrap configuration in security object.");
                } else {
                    // create bootstrap info
                    ServerInfo info = new ServerInfo();
                    LwM2mResource serverIdResource = security.getResource(SEC_SERVER_ID);
                    if (serverIdResource != null && serverIdResource.getValue() != null)
                        info.serverId = (long) serverIdResource.getValue();
                    else
                        info.serverId = 0;
                    info.serverUri = new URI((String) security.getResource(SEC_SERVER_URI).getValue());
                    info.secureMode = SecurityMode.fromCode((long) security.getResource(SEC_SECURITY_MODE).getValue());
                    infos.bootstrap = info;
                }
            } else {
                // create device management info
                DmServerInfo info = new DmServerInfo();
                info.serverUri = new URI((String) security.getResource(SEC_SERVER_URI).getValue());
                info.serverId = (long) security.getResource(SEC_SERVER_ID).getValue();
                info.secureMode = SecurityMode.fromCode((long) security.getResource(SEC_SECURITY_MODE).getValue());
                // search corresponding device management server
                for (LwM2mObjectInstance server : servers.getInstances().values()) {
                    if (info.serverId == (Long) server.getResource(SRV_SERVER_ID).getValue()) {
                        info.lifetime = (long) server.getResource(SRV_LIFETIME).getValue();
                        info.binding = BindingMode.valueOf((String) server.getResource(SRV_BINDING).getValue());
                        infos.deviceMangements.put(info.serverId, info);
                        break;
                    }
                }
            }
        } catch (URISyntaxException e) {
            LOG.error(String.format("Invalid URI %s", (String) security.getResource(SEC_SERVER_URI).getValue()), e);
        }
    }
    return infos;
}

Example 4 with LwM2mObjectInstance

use of org.eclipse.leshan.core.node.LwM2mObjectInstance in project leshan by eclipse.

the class ObjectResource method handlePOST.

@Override
public void handlePOST(CoapExchange exchange) {
    ServerIdentity identity = extractServerIdentity(exchange, bootstrapHandler);
    String URI = exchange.getRequestOptions().getUriPathString();
    LwM2mPath path = new LwM2mPath(URI);
    // Manage Execute Request
    if (path.isResource()) {
        byte[] payload = exchange.getRequestPayload();
        ExecuteResponse response = nodeEnabler.execute(identity, new ExecuteRequest(URI, payload != null ? new String(payload) : null));
        if (response.getCode().isError()) {
            exchange.respond(toCoapResponseCode(response.getCode()), response.getErrorMessage());
        } else {
            exchange.respond(toCoapResponseCode(response.getCode()));
        }
        return;
    }
    // handle content format for Write (Update) and Create request
    if (!exchange.getRequestOptions().hasContentFormat()) {
        exchange.respond(ResponseCode.BAD_REQUEST, "Content Format is mandatory");
        return;
    }
    ContentFormat contentFormat = ContentFormat.fromCode(exchange.getRequestOptions().getContentFormat());
    if (!decoder.isSupported(contentFormat)) {
        exchange.respond(ResponseCode.UNSUPPORTED_CONTENT_FORMAT);
        return;
    }
    LwM2mModel model = new LwM2mModel(nodeEnabler.getObjectModel());
    // Manage Update Instance
    if (path.isObjectInstance()) {
        try {
            LwM2mNode lwM2mNode = decoder.decode(exchange.getRequestPayload(), contentFormat, path, model);
            WriteResponse response = nodeEnabler.write(identity, new WriteRequest(Mode.UPDATE, contentFormat, URI, lwM2mNode));
            if (response.getCode().isError()) {
                exchange.respond(toCoapResponseCode(response.getCode()), response.getErrorMessage());
            } else {
                exchange.respond(toCoapResponseCode(response.getCode()));
            }
        } catch (CodecException e) {
            LOG.warn("Unable to decode payload to write", e);
            exchange.respond(ResponseCode.BAD_REQUEST);
        }
        return;
    }
    // Manage Create Request
    try {
        // decode the payload as an instance
        LwM2mObjectInstance newInstance = decoder.decode(exchange.getRequestPayload(), contentFormat, new LwM2mPath(path.getObjectId()), model, LwM2mObjectInstance.class);
        CreateRequest createRequest;
        if (newInstance.getId() != LwM2mObjectInstance.UNDEFINED) {
            createRequest = new CreateRequest(contentFormat, path.getObjectId(), newInstance);
        } else {
            // the instance Id was not part of the create request payload.
            // will be assigned by the client.
            createRequest = new CreateRequest(contentFormat, path.getObjectId(), newInstance.getResources().values());
        }
        CreateResponse response = nodeEnabler.create(identity, createRequest);
        if (response.getCode() == org.eclipse.leshan.ResponseCode.CREATED) {
            exchange.setLocationPath(response.getLocation());
            exchange.respond(toCoapResponseCode(response.getCode()));
            return;
        } else {
            exchange.respond(toCoapResponseCode(response.getCode()), response.getErrorMessage());
            return;
        }
    } catch (CodecException e) {
        LOG.warn("Unable to decode payload to create", e);
        exchange.respond(ResponseCode.BAD_REQUEST);
        return;
    }
}

Example 5 with LwM2mObjectInstance

use of org.eclipse.leshan.core.node.LwM2mObjectInstance in project leshan by eclipse.

the class LwM2mNodeJsonDecoder method parseJSON.

private static List<TimestampedLwM2mNode> parseJSON(JsonRootObject jsonObject, LwM2mPath path, LwM2mModel model, Class<? extends LwM2mNode> nodeClass) throws CodecException {
    LOG.trace("Parsing JSON content for path {}: {}", path, jsonObject);
    // Group JSON entry by time-stamp
    Map<Long, Collection<JsonArrayEntry>> jsonEntryByTimestamp = groupJsonEntryByTimestamp(jsonObject);
    // Extract baseName
    LwM2mPath baseName = extractAndValidateBaseName(jsonObject, path);
    if (baseName == null)
        // if no base name, use request path as base name
        baseName = path;
    // fill time-stamped nodes collection
    List<TimestampedLwM2mNode> timestampedNodes = new ArrayList<>();
    for (Entry<Long, Collection<JsonArrayEntry>> entryByTimestamp : jsonEntryByTimestamp.entrySet()) {
        // Group JSON entry by instance
        Map<Integer, Collection<JsonArrayEntry>> jsonEntryByInstanceId = groupJsonEntryByInstanceId(entryByTimestamp.getValue(), baseName);
        // Create lwm2m node
        LwM2mNode node;
        if (nodeClass == LwM2mObject.class) {
            Collection<LwM2mObjectInstance> instances = new ArrayList<>();
            for (Entry<Integer, Collection<JsonArrayEntry>> entryByInstanceId : jsonEntryByInstanceId.entrySet()) {
                Map<Integer, LwM2mResource> resourcesMap = extractLwM2mResources(entryByInstanceId.getValue(), baseName, model);
                instances.add(new LwM2mObjectInstance(entryByInstanceId.getKey(), resourcesMap.values()));
            }
            node = new LwM2mObject(baseName.getObjectId(), instances);
        } else if (nodeClass == LwM2mObjectInstance.class) {
            // validate we have resources for only 1 instance
            if (jsonEntryByInstanceId.size() != 1)
                throw new CodecException("One instance expected in the payload [path:%s]", path);
            // Extract resources
            Entry<Integer, Collection<JsonArrayEntry>> instanceEntry = jsonEntryByInstanceId.entrySet().iterator().next();
            Map<Integer, LwM2mResource> resourcesMap = extractLwM2mResources(instanceEntry.getValue(), baseName, model);
            // Create instance
            node = new LwM2mObjectInstance(instanceEntry.getKey(), resourcesMap.values());
        } else if (nodeClass == LwM2mResource.class) {
            // validate we have resources for only 1 instance
            if (jsonEntryByInstanceId.size() > 1)
                throw new CodecException("Only one instance expected in the payload [path:%s]", path);
            // Extract resources
            Map<Integer, LwM2mResource> resourcesMap = extractLwM2mResources(jsonEntryByInstanceId.values().iterator().next(), baseName, model);
            // validate there is only 1 resource
            if (resourcesMap.size() != 1)
                throw new CodecException("One resource should be present in the payload [path:%s]", path);
            node = resourcesMap.values().iterator().next();
        } else {
            throw new IllegalArgumentException("invalid node class: " + nodeClass);
        }
        // compute time-stamp
        Long timestamp = computeTimestamp(jsonObject.getBaseTime(), entryByTimestamp.getKey());
        // add time-stamped node
        timestampedNodes.add(new TimestampedLwM2mNode(timestamp, node));
    }
    return timestampedNodes;
}